Item

Storm Gem

Category	key
Location	Tower of Knowledge: light gargoyles III and VII on the numbered balcony, then climb the big staircase toward Knowledge Keeper Wourha's study
Use	Adds a special-attack meter to the Holy Sword Endu. It fills as you kill enemies and fires with R on keyboard (Triangle/Y on controller). It is not a dash upgrade.
Notes	Unlocks Raging Tempest. A player-compiled list also shows a Holy Storm Gem, but when it evolves is unconfirmed.

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